Usability, Accessibility, and the Web

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Introduction to the main concepts

Overview

• Usability
  • Introduction
  • Usability of software
  • Universal Design
  • Universal Software design
• Documents, Accessibility and Design
• The Web
  • Documents vs the WEB
  • General understanding how the web works
  • Defining Usability and Accessibility
  • Separation of Concerns

Usability

• Usability according to Wikipedia is the capacity of a system to allow users to perform tasks
  • safely,
  • effectively, and
  • efficiently
  • while enjoying the experience.

Unfortunately,

• Functionality is often easy to achieve
• Making it usable is much harder

General Usability

• Example: Light switch
• Find it and switch the lights on (or off)